ID :310 Steel Girder Bridge KM 08(6-8) atNachani Basbagad

on Chainage 8.800 of Nachani Basbagad motor road

In District Pithoragarh Under PD Didihaat Division


Critical Report on Bridge Condition

Form Filled By Tara Singh [070022973]

Inspection Team

"Painting , greasing of bearings, repair of expansion joint & protection of LHS abutment required "

(Tara Singh)

Assistant Engineer Civil

on May 16, 2024

"Scouring of LHS Abutment is seen which need to be packed by CC M25. Vegetation grown near bearings and under the bridge need to be cleared. Greasing of bearing is required."

(Andeep Rana)

Executive Engineer Civil

on Jun 12, 2024

Detail Report

# Parameter Problem ? How Bad? How Much?
1 ROAD APPROCHES AND DECK Component Weightage 10
A- ROAD SURFACE NEAR BRIDGE
a) Bumpy road surface near bridge? Yes Not So Bad Some Qty 2
B- DRAINAGE
a) Badly built road drainage near bridge? Yes Not So Bad Some Qty 2
b) Blocked or damaged road drains? NO Problem -- -- 0
c) Water on the deck? Yes Not So Bad Not Much Qty 1
d) Blocked or damaged deck drains? Yes Not So Bad Some Qty 2
C- WEARING COAT
CONCRETE WEARING COURSE
a) Cracking? Yes Not So Bad Some Qty 2
b) Spalling? Yes Not So Bad Not Much Qty 1
c) Reinforcement exposed? NO Problem -- -- 0
d) Poor concrete? Yes Not So Bad Not Much Qty 1
e) Wear of surface due to small stones? NO Problem -- -- 0
D- KERBS & FOOTPATHS
a) Loose railing fixtures? Yes Not So Bad Not Much Qty 1
a) Damaged or loose kerbs? Yes Not So Bad Not Much Qty 1
2 PARAPETS, RAILINGS AND CRASH BARRIERS Component Weightage 10
a) Impact damaged? Yes Not So Bad Not Much Qty 1
b) Loose or damaged fixings? Yes Not So Bad Some Qty 2
c) Loose base of posts? NO Problem -- -- 0
d) Damaged coatirig or paint on steel surface? Yes Not So Bad Some Qty 2
e) Corrosion on steel surface? NO Problem -- -- 0
f) Cracking on Masonary Parapets? Yes Not So Bad Some Qty 2
g) Movement or bending of parapet? Yes Not So Bad Not Much Qty 1
h) Poor pointing/ Plaster on parapet? Yes Not So Bad Some Qty 2
i) Deterioration of bricks or stones? NO Problem -- -- 0
3 EXPANSION JOINT AT ABUTMENTS & PIERS Component Weightage 10
a) Damage to concrete of deck end or dirt wall near joint? Yes Not So Bad Some Qty 2
b) Debris or vegetation in joint? Yes Not So Bad Some Qty 2
c) Loose or damaged fixtures? Yes Not So Bad Some Qty 2
d) Damage or corrosion to metal parts? Yes Not So Bad Some Qty 2
e) Damage to rubber waterseals? Yes Bad Not Much Qty 4
4 RIVER Component Weightage 10
A- BLOCKAGES IN WATERWAY
a) Debris against piers or abutments? NO Problem -- -- 0
b) Remains of old bridge under or upstream of the bridge? NO Problem -- -- 0
c) Fencing or buildings under bridge? NO Problem -- -- 0
d) Trees or bushes.growing under bridge? Yes Not So Bad Some Qty 2
B- CHANGE IN RIVER COURSE
a) River changing path upstream of bridge? NO Problem -- -- 0
b) New islands forming upstream of bridge? Yes Not So Bad Some Qty 2
C- RIVER TRAINING WORKS
a) River attack beyond the upstream end of river training works? Not Applicable -- -- --
b) Damage to walls? Yes Not So Bad Not Much Qty 1
c) Loss of pitching? NO Problem -- -- 0
d) Damage to crates, timber, fencing, etc.? Yes Not So Bad Some Qty 2
e) Damage to trees? NO Problem -- -- 0
5 SUPERSTRUCTURE Component Weightage 60
STEEL TRUSSES
General
a) Impact damage to girders, trusses or bracings? NO Problem -- -- 0
b) Debris or vegetation on beams, girders, trusses bracings or joints? Yes Not So Bad Not Much Qty 1
c) Water coming through the deck? Yes Not So Bad Some Qty 2
d) Water from the deck drainage flowing on to girders, trusses, beams or bracings? Yes Not So Bad Not Much Qty 1
e) Not enough vertical & horizontal clearances? NO Problem -- -- 0
STEEL TRUSSES
a) Deterioration of paint or galvanising? Yes Not So Bad Much Qty 3
b) Corrosion? Yes Not So Bad Some Qty 2
c) Bends in members? NO Problem -- -- 0
d) Bent or damaged joints? NO Problem -- -- 0
e) Bent or damaged bracing? NO Problem -- -- 0
f) Loose bolts or rivets? NO Problem -- -- 0
g) Cracking of steel members? NO Problem -- -- 0
STEEL UNDERSIDE OF DECK
a) Deterioration of paint or galvanising? Yes Not So Bad Some Qty 2
b) Corrosion? Yes Not So Bad Some Qty 2
c) Bends in stringers or plates? NO Problem -- -- 0
d) Loose bolts or rivets? NO Problem -- -- 0
e) Cracking? NO Problem -- -- 0
6 BEARINGS Component Weightage 10
METAL BEARINGS
a) Debris or vegetation around bearings? Yes Not So Bad Not Much Qty 1
b) Bad drainage? Yes Not So Bad Not Much Qty 1
c) Not enough room for the bridge span to move? NO Problem -- -- 0
d) Bearing not seated properly? NO Problem -- -- 0
e) Bridge span not seated properly on bearing? NO Problem -- -- 0
f) Damaged bedding mortar? NO Problem -- -- 0
g) Damaged or loose earthquake restraints? Not Applicable -- -- --
METAL BEARINGS
a) Parts not properly seated? NO Problem -- -- 0
b) Parts not free to move? NO Problem -- -- 0
c) Problem with the lubrication system? Yes Not So Bad Some Qty 2
d) Sliding surfaces damaged? NO Problem -- -- 0
e) Cracks or bends in metal parts/ Bearing? NO Problem -- -- 0
f) Corrosion of metal parts? NO Problem -- -- 0
7 Right Side ABUTMENT, WING WALLS & RETAINING WALLS Component Weightage 10
A- GENERAL
a) Erosion or scour at abutment? NO Problem -- -- 0
b) Damage to foundation? NO Problem -- -- 0
c) Movement of abutment? NO Problem -- -- 0
d) Debris against abutment? Yes Not So Bad Some Qty 2
e) Vegetation growing on-or in abutment? Yes Not So Bad Some Qty 2
f) Scour near to retaining walls? NO Problem -- -- 0
g) Movement of retaining walls? NO Problem -- -- 0
h) Water leaking down through the expansion joint? Yes Not So Bad Some Qty 2
B- DRAINAGE SYSTEM
a) Not enough weepholes? Yes Not So Bad Some Qty 2
b) Weepholes not working? Yes Not So Bad Some Qty 2
c) Water leaking through the abutment? NO Problem -- -- 0
C- CONCRETE WALLS
a) Cracking? NO Problem -- -- 0
b) Spalling? NO Problem -- -- 0
c) Corrosion of reinforcement? NO Problem -- -- 0
d) Poor concrete? NO Problem -- -- 0
D- MASONRY WALLS
a) Cracking? NO Problem -- -- 0
b) Bulging? NO Problem -- -- 0
c) Poor pointing? NO Problem -- -- 0
d) Deterioration of bricks or stones? NO Problem -- -- 0
E- EMBANKMENTS AND FILL IN FRONT OF ABUTMENT
a) Scour at base of slopes? NO Problem -- -- 0
b) Slippage of fill? NO Problem -- -- 0
c) Erosion of fill? NO Problem -- -- 0
d) Cracking of road or embankment edge? NO Problem -- -- 0
e) Piping failure of fill? NO Problem -- -- 0
8 Left Side ABUTMENT, WING WALLS & RETAINING WALLS Component Weightage 10
A- GENERAL
a) Erosion or scour at abutment? Yes Not So Bad Much Qty 3
b) Damage to foundation? Yes Not So Bad Some Qty 2
c) Movement of abutment? NO Problem -- -- 0
d) Debris against abutment? NO Problem -- -- 0
e) Vegetation growing on-or in abutment? Yes Not So Bad Some Qty 2
f) Scour near to retaining walls? Yes Not So Bad Some Qty 2
g) Movement of retaining walls? NO Problem -- -- 0
h) Water leaking down through the expansion joint? Yes Not So Bad Some Qty 2
B- DRAINAGE SYSTEM
a) Not enough weepholes? Yes Not So Bad Some Qty 2
b) Weepholes not working? NO Problem -- -- 0
c) Water leaking through the abutment? Yes Not So Bad Some Qty 2
C- CONCRETE WALLS
a) Cracking? NO Problem -- -- 0
b) Spalling? NO Problem -- -- 0
c) Corrosion of reinforcement? NO Problem -- -- 0
d) Poor concrete? NO Problem -- -- 0
D- MASONRY WALLS
a) Cracking? NO Problem -- -- 0
b) Bulging? NO Problem -- -- 0
c) Poor pointing? NO Problem -- -- 0
d) Deterioration of bricks or stones? NO Problem -- -- 0
E- EMBANKMENTS AND FILL IN FRONT OF ABUTMENT
a) Scour at base of slopes? NO Problem -- -- 0
b) Slippage of fill? NO Problem -- -- 0
c) Erosion of fill? NO Problem -- -- 0
d) Cracking of road or embankment edge? NO Problem -- -- 0
e) Piping failure of fill? NO Problem -- -- 0
9 Embankments Component Weightage 10
A- STONE PITCHING SLOPE PROTECTION
a) Cracking? Not Applicable -- -- --
b) Poor pointing? Not Applicable -- -- --
c) Scour or erosion at edge? Not Applicable -- -- --
d) Pieces broken off? Not Applicable -- -- --
e) Piping failure of fill? Not Applicable -- -- --
B- SLOPE PROTECTION WITH CRATES
a) Not much movement of crates? Not Applicable -- -- --
b) Damage to crates or ties? Not Applicable -- -- --
C- PITCHING SLOPE PROTECTION WITH CONCRETE BLOCKS
a) Slope getting washed out? Not Applicable -- -- --
b) Settlement? Not Applicable -- -- --
10 RIVER BED Component Weightage 10
A- BED PROTECTION AND APRONS
a) Large holes in the river bed? NO Problem -- -- 0
b) Loss of material Yes Not So Bad Some Qty 2
c) Crates broken away from pier or abutment? NO Problem -- -- 0
d) Damage to wires or ties? NO Problem -- -- 0
B- STONE PITCHING OR CONCRETE BED PROTECTION AND APRONS
a) Scour at edge? NO Problem -- -- 0
b) Cracking? NO Problem -- -- 0
c) Spalling or stones missing? NO Problem -- -- 0
d) Erosion of surface? NO Problem -- -- 0
e) Corrosion of reinforcement? NO Problem -- -- 0

End of Report